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<!--
  Copyright (c) 2015-2020 Jean-Marc VIGLINO,
  released under CeCILL-B (french BSD like) licence: http://www.cecill.info/
-->
  <title>ol-ext: Animated canvas Overlay</title>
  <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />

  <meta name="description" content="Animated canvas Overlay for Openlayers" />
  <meta name="keywords" content="openlayers, overlay, animation, cloud, rain, snow" />

  <!-- jQuery -->
  <script type="text/javascript" src="https://code.jquery.com/jquery-1.11.0.min.js"></script>
  <!-- FontAwesome -->
  <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.min.css">

  <!-- Openlayers -->
  <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/ol@latest/ol.css" />
  <script type="text/javascript" src="https://cdn.jsdelivr.net/npm/ol@latest/dist/ol.js"></script>
  <script src="https://cdn.polyfill.io/v2/polyfill.min.js?features=requestAnimationFrame,Element.prototype.classList,URL,Object.assign"></script>
  
  <!-- ol-ext -->
  <link rel="stylesheet" href="../../dist/ol-ext.css" />
  <script type="text/javascript" src="../../dist/ol-ext.js"></script>
  <!-- Pointer events polyfill for old browsers, see https://caniuse.com/#feat=pointer -->
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  <link rel="stylesheet" href="../style.css" />
  <style>
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</head>
<body >
  <a href="https://github.com/Viglino/ol-ext" class="icss-github-corner"><i></i></a>

  <a href="../../index.html">
    <h1>ol-ext: Animated canvas Overlay</h1>
  </a>

  <div class="info">
    <p>
      <i>ol/Overlay/AnimateddCanvas</i> is an overlay to play animations on top of the map.
    </p>
  </div>

  <!-- DIV pour la carte -->
  <div id="map" style="width:600px; height:400px;"></div>

  <div class="options">
    <ul>
      <li>
        <label>
          <input type="checkbox" checked="checked" onchange="cloud.setVisible(this.checked)"> Clouds
        </label>
      </li>
      <li>
        <label>
          <input type="checkbox" onchange="cloud2.setVisible(this.checked)"> Clouds 2
        </label>
      </li>
      <li>
        <label>
          <input type="checkbox" onchange="rain.setVisible(this.checked)"> Rain
        </label>
      </li>
      <li>
        <label>
          <input type="checkbox" onchange="raindrop.setVisible(this.checked)"> Rain drops
        </label>
      </li>
      <li>
        <label>
          <input type="checkbox" onchange="snow.setVisible(this.checked)"> Snow
        </label>
      </li>
      <li>
        <label>
          <input type="checkbox" onchange="birds.setVisible(this.checked)"> Birds
        </label>
      </li>
    </ul>
  </div>

  <script type="text/javascript">
  // Layers
  var layers = [
    new ol.layer.Tile({
      title:'terrain-background',
      source: new ol.source.StadiaMaps({ layer: 'stamen_terrain' })
    })
  ]

  // The map
  var map = new ol.Map({
    target: 'map',
    view: new ol.View({
      zoom: 5,
      center: [166326, 5992663]
    }),
    layers: layers
  });

  // Birds 
  var birds = new ol.Overlay.AnimatedCanvas({
    particule: ol.particule.Bird,
    density: .2,
    angle: Math.PI/3,
    speed: 2
  });
  birds.setVisible(false);
  map.addOverlay(birds);

  // Rain
  var rain = new ol.Overlay.AnimatedCanvas({
    particule: ol.particule.Rain,
    density: 1,
    angle: 2 * Math.PI / 5,
    speed: 5
  });
  rain.setVisible(false);
  map.addOverlay(rain);

  // Snow
  var snow = new ol.Overlay.AnimatedCanvas({
    particule: ol.particule.Snow,
    density: 5,
    angle: Math.PI / 2,
    speed: .5
  });
  snow.setVisible(false);
  map.addOverlay(snow);

  // Clouds 
  var cloud = new ol.Overlay.AnimatedCanvas({
    particule: ol.particule.Cloud,
    density: 2,
    angle: Math.PI/3,
    speed: 2
  });
  map.addOverlay(cloud);

  // Clouds 
  var cloud2 = new ol.Overlay.AnimatedCanvas({
    particule: ol.particule.Cloud,
    density: 1.5,
    angle: Math.PI/4,
    speed: 2
  });
  cloud2.setVisible(false);
  map.addOverlay(cloud2);

  // Raindrop
  var raindrop = new ol.Overlay.AnimatedCanvas({
    particule: ol.particule.RainDrop,
    density: 1,
    speed: 5
  });
  raindrop.setVisible(false);
  map.addOverlay(raindrop);

  </script>
  
</body>
</html>